CVE-2026-51683: Improper Access Control

Incorrect access control in the setLanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter LAN network configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51692: Improper Access Control

Incorrect access control in the setWiFiGuestCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to establish or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51696: Improper Access Control

Incorrect access control in the setPortForwardRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose internal services via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51698: Improper Access Control

Incorrect access control in the setUrlFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter browsing policies via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51701: Improper Access Control

Incorrect access control in the setMacFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change device access control via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51704: Improper Access Control

Incorrect access control in the setWiFiMeshConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter mesh configurations via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51715: Improper Access Control

Incorrect access control in the delMacFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove MAC filter rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51729: Improper Access Control

Incorrect access control in the delDevice function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to request deletion of a managed slave device via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51735: Improper Access Control

Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51737: Improper Access Control

Incorrect access control in the clearTracerouteLog function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to erase traceroute logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51739: Improper Access Control

Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51689: Improper Access Control

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51691: Improper Access Control

Incorrect access control in the setUploadSetting function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to manipulate the upload or flash workflow via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51695: Improper Access Control

Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter dynamic DNS state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-82597: Improper Neutralization of Special Elements used in a Command

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used...

CVE-2026-51667: Improper Access Control

Incorrect access control in the getWiFiIpMacTable function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain Wi-Fi client MAC-to-IP mappings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51668: Improper Access Control

Incorrect access control in the setLanguageCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify language configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51670: Improper Access Control

Incorrect access control in the getSlaveUpdate function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to query slave upgrade status and affect upgrade bookkeeping via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51674: Improper Access Control

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to configure forced reboot tasks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51675: Improper Access Control

Incorrect access control in the setWanIeCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reconfigure uplink settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...